root/include/asm-generic/bitops/ext2-atomic.h

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INCLUDED FROM

#ifndef _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_
#define _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_

/*
 * Spinlock based version of ext2 atomic bitops
 */

#define ext2_set_bit_atomic(lock, nr, addr)             \
        ({                                              \
                int ret;                                \
                spin_lock(lock);                        \
                ret = __test_and_set_bit_le(nr, addr);  \
                spin_unlock(lock);                      \
                ret;                                    \
        })

#define ext2_clear_bit_atomic(lock, nr, addr)           \
        ({                                              \
                int ret;                                \
                spin_lock(lock);                        \
                ret = __test_and_clear_bit_le(nr, addr);        \
                spin_unlock(lock);                      \
                ret;                                    \
        })

#endif /* _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_ */
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